SaskMick
I'm pretty sure the reader is using the numbers as sort of a shuffle letting you, the person choose the cards by way of number since your are not face to face. I'm curious though what happens to the court cards? You can of course Incorporate numerology into your readings and numbers do play a part but I'm not sure this is what's going on. And yes, the suits too.
He told me that each number represents a particular card.